Cash Acme 24518 HG110-HX 3/4-Inch Threaded NPT Connections and Integral Checks High flow rate design for lower pressure losses within the system Robust, low complexity construction Integral union connections on all three ports Unique, purpose designed adjuster tool minimizes unauthorized tampering with valve setting Every valve is tested prior to shipping Incorporates a thermostatic element that senses the outlet water temperature High flow rate design for lower pressure losses within the system More efficient system performance for lower running costs Specify and install with confidence! Robust, low complexity construction Superior reliability, improved user safety. Integral union connections on all three ports